diff --git a/mlair/run_modules/run_environment.py b/mlair/run_modules/run_environment.py
index 5414b21cb0cb26674c699a02c22400959e11f1aa..df34345b4fb67e764f6e4d8d6570a5fafb762304 100644
--- a/mlair/run_modules/run_environment.py
+++ b/mlair/run_modules/run_environment.py
@@ -92,12 +92,12 @@ class RunEnvironment(object):
     logger = None
     tracker_list = []
 
-    def __init__(self, name=None):
+    def __init__(self, name=None, log_level_stream=None):
         """Start time tracking automatically and logs as info."""
         if RunEnvironment.data_store is None:
             RunEnvironment.data_store = DataStoreObject()
         if RunEnvironment.logger is None:
-            RunEnvironment.logger = Logger()
+            RunEnvironment.logger = Logger(level_stream=log_level_stream)
         self._name = name if name is not None else self.__class__.__name__
         self.time = TimeTracking(name=name)
         logging.info(f"{self._name} started")